Home / 850,051.62-1,274,771.04-281,327.64

Finding the Fourth Proportional to 850,051.62, 1,274,771.04 and 281,327.64

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Solution

The fourth proportional to 850,051.62, 1,274,771.04 and 281,327.64 is: 421,890.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,051.62 : 1,274,771.04 = 281,327.64 : x
  2. Step 2: Convert to fraction form
    850,051.62/1,274,771.04 = 281,327.64/x
  3. Step 3: Cross multiply
    850,051.62x = 1,274,771.04 × 281,327.64
  4. Step 4: Simplify right side
    850,051.62x = 358,628,328,223.55
  5. Step 5: Solve for x
    x = 358,628,328,223.55/850,051.62
  6. Step 6: Final answer
    x = 421,890.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.